-9=-8(k-5)+3(1+7k)

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Solution for -9=-8(k-5)+3(1+7k) equation:


-9=-8(k-5)+3(1+7k)

We simplify the equation to the form, which is simple to understand 
-9=-8(k-5)+3(1+7k)

Reorder the terms in parentheses
-9=+(-8k+40)+3*(1+7k)

Remove unnecessary parentheses
-9=-8k+40+3+*(+1+7k+)

Reorder the terms in parentheses
-9=-8k+40+(+3+21k)

Remove unnecessary parentheses
-9=-8k+40+3+21k

We move all terms containing k to the left and all other terms to the right. 
+8k-21k=+40+3+9

We simplify left and right side of the equation. 
-13k=+52

We divide both sides of the equation by -13 to get k. 
k=-4

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